The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 2008
Filed:
Jul. 12, 2006
Masayuki Saito, Chiba, JP;
Yoshitaka Tomi, Chiba, JP;
Masayuki Saito, Chiba, JP;
Yoshitaka Tomi, Chiba, JP;
Chisso Corporation, Osaka, JP;
Chisso Petrochemical Corporation, Tokyo, JP;
Abstract
A liquid crystal composition having a negative dielectric anisotropy and containing at least one compound selected from a group of compounds represented by formula (1) as a first component, at least one compound selected from a group of compounds represented by formula (2) as a second component, at least one compound selected from a group of compounds represented by formula (3) as a third component, and at least one compound selected from a group of compounds represented by formula (4) as a fourth component: wherein the liquid crystal composition consists essentially of the first component, the second component, the third component and the fourth component and wherein Ris alkyl or alkenyl; Ris alkyl or alkoxy; Ris alkyl or alkoxymethyl; Ris alkyl; Ais 1,4-cyclohexylene or 1,4-phenylene; Ais 1,4-cyclohexylene, 1,4-phenylene or 2-fluoro-1,4-phenhlene; and Zis a single bond or —COO—.